IMA mineral species

Stillwellite-(Ce)

CeBSiO₅

Nesosilicate mineral.

Stillwellite-(Ce) specimen — Stillwellite-(Ce)-33971.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density4.742 g/cm³

Very heavy

🔷 Trigonal✏️ streak white

Chemical formula	CeBSiO₅
Elements	Ce, B, Si, O
Crystal system	Trigonal
Mohs hardness	—
Density	4.742 g/cm³
Streak	white
Color	—
IMA symbol	Swl-Ce
Nickel–Strunz class	9.AJ.25

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Learn more

Stillwellite-(Ce) on Mindat.org
Wikipedia article
Wikidata item Q3973574 (source of this page's data – you can correct it there)